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trapecia [35]
3 years ago
10

If you can answer any of these please do and put the question number by the answer

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
7 0
55.a 1,-2
56.b -9,-14
57. a 52

I won’t explain since I’m pretty sure you are In a hurry
Lerok [7]3 years ago
3 0

Answer: 55.) d

Step-by-step explanation:

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( Write the word sentence as an equation.))) <br><br><br> 25 is 9 more than a number x.
elena-14-01-66 [18.8K]

Answer:

25>x<9

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Factor the following quadratic equation; <br><img src="https://tex.z-dn.net/?f=12%20%7Bx%7D%5E%7B2%7D%20%20%2B%2022x%20-%2014" i
Bogdan [553]

Answer:

2(3x + 7)(2x - 1)

Step-by-step explanation:

You can see it a little easier if you take out a common factor of 2

2(6x^2 + 11x - 7)

The 6 leaves you with a lot of factors, the 7 does not. It only has 2 factors.

Let 6 factor into 2 and 3 and the 7 into 7 and 1

2(3x - 1 )(2x + 7)

Now remove the brackets.

2(6x^2 + 21x - 2x - 7) This obviously does not work but we'll combine like terms anyway.

2(6x^2 + 19x - 7)

So we'll try it again

2(3x + 7)(2x - 1)

2(6x^2 + 14x - 3x - 7)    Looks like we have it.

2(6x^2 + 11x - 7)

So the right factors are

2(3x + 7)(2x - 1)

5 0
4 years ago
I need help for this math question
Cerrena [4.2K]

Answer:

Step-by-step explanation:

There are 150 students in grade 8

Write the ratio of grade 8 students in its lowest terms

7 0
3 years ago
part of an investment of $54,000 earns 5.5% annual interest; The rest earns 4%. if the annual interest from both is $2685 how mu
rodikova [14]

Answer:

x= 35000

y= 19000

Step-by-step explanation:

The investment in this question divided into two parts, first who earns 5.5% interest(X) and second who have 4% interest (Y).  

The total interest gained is $2685 so you can get this equation.  

0.055 x + 0.04 y = 2685

Both x and y sum is $54,000 so you can get this equation  

x + y = 54,000  

y=54000- x

If you combine both equations

0.055 x + 0.04 y = 2685

0.055 x + 0.04 (54000- x) = 2685  

0.055 x + 2160- 0.04x = 2685

0.015x= 2685- 2160

0.015x= 525

x=35000

y=54000- x  

y= 54000-35000

y=19000

7 0
3 years ago
Emily and Andy each go to a hardware store to buy wire. The table shows the relationship between the cost and the length of wire
Charra [1.4K]

Answer:

630 dollars is the answer

7 0
3 years ago
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